Treaty of Lodi
The Treaty of Lodi, also known as the Peace of Lodi was a peace agreement between Milan, Naples, and Florence signed on April 9, 1454 at Lodi in Lombardy, on the banks of the Adda. It put an end to the long struggles between expansive Milan, under Filippo Maria Visconti, and Venice in the terraferma, which had produced a single decisive Venetian victory, at the battle of Maclodio in 1427, in which the Venetian ally was Florence, but had resulted in no lasting peace: see Wars in Lombardy. After a further generation of intermittent seasonal campaigning, the Treaty of Lodi established permanent boundaries between Milanese and Venetian territories in Northern Italy, along the river Adda. Francesco Sforza was confirmed as the rightful duke of Milan. A principle of a balance of power in Northern Italy was established, one that excluded ambitions of smaller states: the republic of Genoa, the house of Savoy, the Gonzaga and the Este.
A related agreement was signed at Venice on August 30, among Milan, Venice and Florence, which had switched sides, in which the parties bound themselves to principles of non-aggression. The Kingdom of Naples and the smaller cities, even the Papal States, soon joined the Italic League. Thus, the Peace of Lodi brought Milan and Naples into a definitive peace alliance with Florence. Francesco Sforza would base his lifelong external policy on this principle of balance of power. The status quo established at Lodi lasted until 1494, when French troops intruded into Italian affairs under Charles VIII, initiating the Italian Wars.
While lasting less than 50 years, some scholars have argued that the Treaty provided a proto-Westphalian model of an inter-city-state system (as opposed to an inter-nation-state system) following a century of incessant warfare in Northern Italy. The Treaty functioned to temporarily institutionalize a regional balance of power in which outright warfare gave way to diplomacy.
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